Xestoblatta surinamensis, Bruijning, 1959

Silva-da-Silva, Luiz Rafael & Lopes, Sonia Maria, 2016, A new species of the Xestoblatta surinamensis group from Amazonia, northern Brazil, with redescriptions of X. amaparica, X. surinamensis and X. vera (Blattodea: Ectobiidae), Zoologia (e 20160041) 33 (6), pp. 1-9 : 8

Key for males of the Xestoblatta surinamensis group

1. Subgenital plate with widened, unsclerotized styles in ventral view; right phallomere in dorsal view with marginal spines around the apex................. X. surinamensis Bruijning, 1959

1’. Subgenital plate with left style slender throughout or only apically in ventral view; right phallomere, in dorsal view, lacking spines on apical third.............................................2

2. Only one style sclerotized, with 2-4 apical spines; left paraproct with two lobes, no lobes with distal spines........................3

2’. Both styles sclerotized; left paraproct with two lobes, one lobe with three long distal spines......................................... X. amaparica Rocha e Silva Albuquerque & Gurney, 1962

3. Left style long, slender, sclerotized, attached directly to the border of the subgenital plate. Right style short, cylindrical, thin ...................................................... X. urucuana sp. nov.

3’. Left style long, unsclerotized, curved over border of subgenital plate. Right style membranous, rounded ........................... 4

4. Right style short, conical, with one lobe. Median sclerite with projection on the apex ..................................................... X. vera Rocha e Silva Albuquerque & Fraga, 1975

4’. Right style short, with two short lobes. Median sclerite lacking projections ............................ X. jygautieri Grandcolas, 1992